... t2 set top box 2. mpeg4 television receiver 3. hd receiver DVB-T2 HD TV receiver 1. RF tuner & DVB-T2 Channel ... SISI, MISO, (SIMO, MIMI if diversity receiver) Rotated constellations Significant robustness gain in channels with severe degradations (multipath, SFN operation, ... display Teletext subtitling, meeting the requirements for level 1.5 in ref. [ETS 300 706, “Enhanced Teletext Specification”]8. ...